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Belongs within: Spirotricha.
Contains: Holosticha, Oxytricha.
The Stichotrichida are a group of ciliates in which cirri are often arranged in longitudinal files (Adl et al. 2019). In Spirofilidae, the files are curved or spiralled around the body (Lynn & Small 2002).
Characters (Adl et al. 2019): Ventral cirri as one or more longitudinal and linear files or as frontoventral cirri, typically conspicuous, arranged in specific, localized frontal and ventral groups; dorsal ciliature typically regularly distributed in longitudinal files; stomatogenesis parakinetal or apokinetal, if apokinetal, may occur with five or six anlagen streaks in two groups for differentiation of ventral somatic ciliature.
<==Stichotrichida [Sporadotrichida, Sporadotrichina, Stichotrichina]
|--Pseudoamphisiella Song 1996B03 [PseudoamphisiellidaeAB19]
|--Schmidingerothrix [Schmidingerotrichidae]AB19
|--Atractos Vörösváry 1950T87 [AtractosidaeAB19]
| `--A. contortusLS02
|--Psammomitra Borror 1972T87 [PsammomitridaeAB19]
| `--P. retractilisLS02
|--Epiclintes Müller 1786LS02 [EpiclintidaeAB19]
| |--E. ambiguusLS02
| `--E. auricularisG84
|--HolostichidaeAB19
| |--HolostichaB03
| `--Uncinata Bullington 1940AB19, T87
|--PsilotrichidaeAB19
| |--Urospinula Corliss 1960AB19, T87
| `--Psilotricha Stein 1859T87
| |--P. acuminataLB90
| `--P. succisaLS02
|--ParabirojimidaeDX10
| |--Parabirojimia Hu et al. 2002B03
| `--TunicothrixDX10
| |--T. brachystichaDX10
| `--T. multinucleataDX10
|--+--CotterilliaAB19
| `--Gonostomum Sterki 1878AB19, T87
| |--G. affineLB90
| `--G. strenuumAS-K07
|--KeronidaeT87
| |--Lacazea Dragesco 1960T87
| |--Kerona Ehrenberg 1835T87
| | `--K. polyporumLS02
| `--Keronopsis Penard 1922T87
| |--K. monilataLS02
| `--K. muscorumLB90
|--UroleptidaeAB19
| |--Paruroleptus Kahl 1932AB19, T87
| | |--P. lepismaHH01
| | `--P. notabilisLS02
| `--Uroleptus Ehrenberg 1831T87
| |--U. gallinaHH01
| |--U. lepismaFS-K03
| |--U. muscorumLB90
| `--U. piscesHH01
|--Halteriidae [Halteriida, Halteriia]AB19
| |--Meseres Schewiakoff 1892AS-K07, A04b
| | |--*M. cordiformis Schewiakoff 1892A04b
| | |--M. corlissi Petz & Foissner 1992A04b
| | `--M. stentor Schewiakoff 1892A04b
| `--+--Pelagohalteria Foissner, Skogstad & Pratt 1988AS-K07, A04b
| | `--P. viridisLS02
| `--Halteria Dujardin 1841AS-K07, A04b
| |--H. geleianaFS03
| |--H. grandinella (Müller 1773)A04b [incl. H. oviformis Gelei & Szabdos 1950FMA07]
| `--H. sigmoideaSX97
|--TrachelostylidaeAB19
| |--Terricirra Berger & Foissner 1989LS02
| | `--T. mutsusakaiLS02
| |--Hemisincirra Foissner 1984LS02
| | `--H. inguietaLS02
| |--Trachelostyla Kahl 1932T87
| | |--T. affineLS02
| | `--T. pediculiformisLS02
| `--Lamtostyla Biutkamp 1977LS02, T87
| |--L. edaphoniLS02
| |--L. halophilaA04a
| `--L. perisincirraLS02
|--SpirofilidaeT87
| |--Parastrongylidium Fleury & Fryd-Versavel 1984T87
| |--Pelagotrichidium Jankowski 1979T87
| |--Spirofilopsis Corliss 1960AB19, T87
| |--Hypotrichidium Ilowaisky 1921T87
| | `--H. conicumLS02
| |--Spiretella Borror 1972T87
| | `--S. plankticolaLS02
| |--Urostrongylum Kahl 1932T87
| | `--U. contortumLS02
| |--Mucotrichidium Foisner, Oleksiv & Müller 1990LS02
| | `--M. hospesLS02
| |--Stichotricha Perty 1849LS02
| | |--S. marinaG84
| | `--S. secundaLS02
| |--Chaetospira Lachmann 1856T87
| | |--C. entziD86
| | `--C. muelleriLS02
| `--Strongylidium Sterki 1878T87
| |--S. crassumLS02
| |--S. koltzowiD86
| `--S. wilbertiLS02
|--AmphisiellidaeAB19
| |--BistichellaAB19
| |--Circinella Foissner 1994 non Tiegh. & Le Monn. 1873 (ICBN)LS02
| | `--C. arenicolaLS02
| |--Pseudouroleptus Hemberger 1981LS02
| | `--P. procerusLS02
| |--Gastrostyla Engelmann 1862LS02
| | `--G. steiniiFMA07
| |--Hemiamphisiella Foissner 1988PB02
| | `--H. terricolaLS02
| |--Paramphisiella Foissner 1988LS02
| | `--P. caudataLS02
| |--Amphisiellides Foissner 1988LS02
| | `--A. illuvialisLS02
| |--Paragastrostyla Hemberger 1981LS02
| | `--P. lanceolataLS02
| |--Periholosticha Hemberger 1981LS02
| | `--P. lanceolataLS02
| |--Uroleptoides Wenzel 1953LS02
| | `--U. binucleataLS02
| `--Amphisiella Gourret & Roeser 1888T87
| |--A. annulata (Kahl 1932)B03
| `--A. quadrinucleataLS02
|--KahliellidaeT87
| |--Perisincirra Jankowski 1979T87
| |--Pseudokahiella Berger, Foissner & Adam 1985T87
| |--Cladotricha Gajewskaja 1926T87
| | `--C. kolzowiLS02
| |--Kahliella Corliss 1960T87
| | `--K. multisetaLS02
| |--Paraholosticha Kahl 1932T87
| | `--P. sterkiiLS02
| |--Parakahliella Berger, Foissner & Adam 1985T87
| | `--P. haieriLS02
| |--Deviata Eigner 1995LS02
| | `--D. abbravescensLS02
| |--Engelmanniella Foissner 1982T87
| | `--E. mobilisHH01
| |--Uroleptopsis Kahl 1932T87
| | `--U. citrina Kahl 1932B03
| |--Neogeneia Eigner 1995LS02
| | `--H. hortualisLS02
| |--Pseudokahliella Berger, Foissner & Adam 1985LS02
| | `--P. marinaLS02
| |--Trachelochaeta Srámek-Husek 1954LS02, T87
| | `--T. bryophilaLS02
| |--Wallackia Foissner 1977LS02, T87
| | `--W. bujoreaniLS02
| |--Parentocirrus Voss 1997LS02
| | `--P. hortuliseriLS02
| `--Paraurostyla Borror 1972LS02, T87
| |--P. granuliferaLS02
| `--P. weisseiHH01
`--OxytrichidaeAB19
|--Opisthotricha Kent 1882T87
|--Parahistriculus Groliere 1976T87
|--OxytrichaLS02
|--Ancystropodium Fauré-Fremiet 1907T87
| `--A. maupasiaLS02
|--Parastylonychia Dragesco 1963T87
| `--P. plouneouriLS02
|--Urosomoida Hemberger in Foissner 1982LS02
| `--U. agilisLS02
|--Actinotricha Cohn 1866T87
| `--A. saltansG84
|--Steinia Diesing 1866T87
| `--S. sphagnicolaAS-K07
|--Onychodromus Stein 1859T87
| `--O. quadricornutusHH01
|--Pleurotricha Stein 1859T87
| `--P. lanceolatauaLS02
|--Laurentiella Dragesco & Njiné 1971LS02
| `--L. strenua [incl. L. acuminata]FMA07
|--Onychodromopsis Stokes 1887LS02, T87
| `--O. flexilisLS02
|--Pseudostrombidium Horváth 1933LS02
| `--P. planctnicumLS02
|--Notohymena Blatterer & Foissner 1988LS02
| `--N. rubescensLS02
|--Australocirrus Blatterer & Foissner 1988LS02
| `--A. oscitansLS02
|--Urosoma Kowalewskiego 1882T87
| |--U. acumulataLS02
| `--U. giganteaLS02
|--Cyrtohymena Stokes 1887LS02
| |--C. citrinaHH01
| `--C. tetracirrataLS02
|--Tachysoma Stokes 1887T87
| |--T. granuliferaLS02
| `--T. pellionellaLB90
|--Sterkiella Foissner, Blatterer et al. 1991LS02
| |--S. histriomuscorumFS-K03
| `--S. nova [=Oxytricha nova]C-S04
|--Histriculus Corliss 1960T87
| |--H. cavicolaSM03
| `--H. voraxCV66
|--Coniculostomum Njiné 1978LS02, T87
| |--C. bimarginataLS02
| `--C. monilataFMA07
`--Stylonychia Ehrenberg 1830T87
|--S. lemnaeSM03
|--S. mytilus Ehrenberg 1838T87
`--S. notophoraSX97
*Type species of generic name indicated
References
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